can caused —— to cause quite a bit of a disturbance in mexico. the headlines on bbc news... crowds continue to gather outside kabul airport, amid reports of chaotic scenes — as the us advises its citizens not to travel there until they are asked, because of security threats outside the gates. senior taliban figures — including the group's co—founder, mullah baradar — arrive in kabulfor talks about establishing a new unity government. let's get more on afghanistan. the taliban takeover of the country has also caused distress for us and uk military veterans, and the families of soldiers who fought and died in afghanistan. christine harrison lost her son corporal darren bonner in afghanistan in 2007. she spoke to my colleague ben boulos earlier and told him how she is feeling watching the chaos unfold. erm, heartbroken. absolutely heartbroken, because i feel that my son died in vain, along with lots